2020011111029 has 2 divisors, whose sum is σ = 2020011111030. Its totient is φ = 2020011111028.

The previous prime is 2020011110993. The next prime is 2020011111061. The reversal of 2020011111029 is 9201111100202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016016618225 + 3994492804 = 1419865^2 + 63202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020011111029 is a prime.

It is a super-2 number, since 2×2020011111029² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020011111029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020011111829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005555514 + 1010005555515.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005555515).

Almost surely, 2^{2020011111029} is an apocalyptic number.

It is an amenable number.

2020011111029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020011111029 is an equidigital number, since it uses as much as digits as its factorization.

2020011111029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2020011111029 in words is "two trillion, twenty billion, eleven million, one hundred eleven thousand, twenty-nine".